Shimano GRX RX827 Di2 1x12 Groupset

Shimano GRX RX827 Di2 1x12 Groupset
2 reviews
Crank length
Please select: Crank length
to see the stock
Select a variant
1.049,-
100,- discount

  • Ordered now, delivered on Monday
  • Free tracked delivery

Does this page help you make your choice?

Ask a question about this product

mantel-customer-service

Try in store

Available directly in-store, or order online.

Try in store

Try in store

Try in store

A large part of our assortment is in stock in our stores and ready to try, fit, and experience without an appointment.

Our full assortment is available online. You can order and pay for products online and have them delivered for free to one of our Superstores. This way, you can try everything out. Not satisfied? You can return it to the store free of charge and receive a refund.

Did this help you?

Pros & Cons

Pros & Cons

  • Wireless system that responds at lightning speed and gives you a sleek, modern cockpit.
  • Smooth gear shifting thanks to the HYPERGLIDE+ tooth profile, which guarantees easy transitions even under heavy load.
  • Ergonomic Di2 Dual Control levers with non-slip coating and ribbed surface for extra grip and confidence.
  • Rear derailleur with impact recovery system that absorbs shocks and ensures consistent performance at all times, even on rough terrain.
  • The wireless Di2 system requires regular battery charging but is reliable and looks sleek.
Read more on what our customers have to say about this product

Specifications

Specifications

Brand Shimano
Brake Type Disc Flat Mount
Number of gears 12 speed
Type 1x12
Shifting Type Electronic
Power Meter Without power meter
Crankset (Axle) Type Hollowtech II
Cassette Ratio 10 / 51
Crankset Type Single
All specifications

Reviews

Reviews


5 / 5

Efficiency and practicality, for me a good choice.

- Ema 6 May 2026

Excellent experience, I was sceptical seeing the packaging, but everything went well.

Automatic translation

5 / 5

Coat again and again.

- Alexander 7 March 2026

I'm rebuilding my Gravel and I wanted to have this group.

Automatic translation

5

Ema, 6 May 2026

Efficiency and practicality, for me a good choice.

Excellent experience, I was sceptical seeing the packaging, but everything went well.

Automatic translation

5

Alexander, 7 March 2026

Coat again and again.

I'm rebuilding my Gravel and I wanted to have this group.

Automatic translation

Recommended by the product specialist


Related products

Related products

Shimano GRX RX827 Di2 1x12
Shimano GRX RX827 Di2 1x12
1.049,-
This product
Shimano GRX RX825 Di2 2x12 Speed
Shimano GRX RX825 Di2 2x12 Speed
From 1.149,-
SRAM Apex XPLR AXS 1x12
SRAM Apex XPLR AXS 1x12
899,-
SRAM RED XPLR E1
SRAM RED XPLR E1
From 2.399,-
Compare the products above
Shimano GRX RX827 Di2 1x12 Shimano GRX RX825 Di2 2x12 Speed SRAM Apex XPLR AXS 1x12 SRAM RED XPLR E1
Shimano GRX RX827 Di2 1x12 Shimano GRX RX825 Di2 2x12 Speed SRAM Apex XPLR AXS 1x12 SRAM RED XPLR E1
2 reviews 2 reviews
Brake Type Disc Flat Mount Disc Flat Mount Disc Flat Mount Disc Flat Mount
Number of gears 12 speed 12 speed 12 speed 12 speed / 13 speed
Type 1x12 2x12 1x12 1x13
Shifting Type Electronic Electronic Electronic Electronic
Power Meter Without power meter Without power meter Without power meter With power meter / Without power meter
Crank length 170 mm / 172.5 mm 170 mm / 172.5 mm 170 mm / 172.5 mm / 175 mm 150 mm / 155 mm / 160 mm / 165 mm / 167,5 mm / 170 mm / 172.5 mm / 175 mm
1.049,- From 1.149,- 899,- From 2.399,-
This product View product View product View product

All specifications

General

Brand
Shimano
Brake Type
Disc Flat Mount
Number of gears
12 speed
Type
1x12
Shifting Type
Electronic
Crankset (Axle) Type
Hollowtech II
Cassette Ratio
10 / 51
Crankset Type
Single
Crank Ratio
42
Bottom Bracket
BBR60 BSA
Diameter Disc Brake Rotor
160 mm front / 160 mm rear
Packaging
OEM

Sensors

Power Meter
Without power meter

All specifications

Brand
Shimano

General

Brake Type
Disc Flat Mount
Number of gears
12 speed
Type
1x12
Shifting Type
Electronic
Crankset (Axle) Type
Hollowtech II
Cassette Ratio
10 / 51
Crankset Type
Single
Crank Ratio
42
Bottom Bracket
BBR60 BSA
Diameter Disc Brake Rotor
160 mm front / 160 mm rear
Packaging
OEM

Sensors

Power Meter
Without power meter